1219425

素因数分解:

$3^1\times 5^2\times {\mathrm{71}}^1\times {\mathrm{229}}^1$

素因数の和:313

約数の個数: 24

約数和(自身を含む): 2053440

約数和(自身を除く): 834015

約数列:

[1, 3, 5, 15, 25, 71, 75, 213, 229, 355, 687, 1065, 1145, 1775, 3435, 5325, 5725, 16259, 17175, 48777, 81295, 243885, 406475, 1219425]

約数ペア:

[(1, 1219425), (3, 406475), (5, 243885), (15, 81295), (25, 48777), (71, 17175), (75, 16259), (213, 5725), (229, 5325), (355, 3435), (687, 1775), (1065, 1145)]